swap three variables in java without using temporary variable
// swap three variables in java without using temporary variable
public class SwapThreeNumbersWithoutTemp
{
static int num1, num2, num3;
public static void main(String[] args)
{
num1 = 30; num2 = 60; num3 = 90;
System.out.println("Before swapping three numbers: num1 = " + num1 + ", num2 = " + num2 + ", num3 = " + num3);
swapWithoutTemporary();
System.out.println("After swapping three numbers: num1 = " + num1 + ", num2 = " + num2 + ", num3 = " + num3);
}
static void swapWithoutTemporary()
{
num1 = num1 + num2 + num3;
num2 = num1 - (num2 + num3);
num3 = num1 - (num2 + num3);
num1 = num1 - (num2 + num3);
}
}